Gaussian, bell or normal distribution curve with equation sketched with white chalk on a blackboard

Size: 5100px × 3400px
Photo credit: © Marek Uliasz / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: bell, black, blackboard, chalk, curve, distribution, equation, error, formula, frequency, gaussian, graph, horizontal, mathematics, normal, probability, rough, sketch, smudge, statistics, symbol, texture, uncertainty, white